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Direct vehicle-to-vehicle charging strategy in vehicular Ad-Hoc networks

Abstract:

In order to alleviate power overloads of electric grid systems and decrease cost of corresponding infrastructure deployments, a direct vehicle-to-vehicle (V2V) energy-exchange strategy for moving electric vehicles (EVs) has become an emerging research. The main challenges involving the direct V2V charging scheme are 1) to design an effective and economical communication framework for real-time charging information transmissions, and 2) to minimize charging cost and improve charging efficiency. In this paper, we propose an efficient V2V charging strategy for mobile EVs to cope with the above problems. In particular, we first design a VANETs-based (Vehicular Ad-Hoc Networks) communication framework to enable data transmissions between the parking service center(PSC) and mobile EVs in a real-time manner. Then, we propose a globally optimal V2V charging scheme on the basis of the deduced models of travel energy cost and charging pleasure degree. The experiment results implemented in realistic simulation scenarios are presented to indicate that our proposed V2V charging strategy outperforms the benchmark algorithm.